Grok 4.3 vs DeepSeek V3.1
Detailed technical comparison between Grok 4.3 (xAI) and DeepSeek V3.1 (DeepSeek). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
Grok 4.3
1,000,000 tokensTie
Equal CapabilityTie
Equal SpeedDeepSeek V3.1
$0.25 / MTokGrok 4.3
Grok 4.3 is a reasoning model from xAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...
DeepSeek V3.1
DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...
Technical Specifications
🏆 = Superior Spec| Specification | Grok 4.3 | DeepSeek V3.1 |
|---|---|---|
| Provider | xAI | DeepSeek |
| Context Window | 1,000,000 tokens🏆 | 163,840 tokens |
| Agent Suitability | 87/100 | N/A |
| Time to First Token (TTFT) | 400 ms | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2026-04-30 | 2025-08-21 |
API Pricing Comparison
Input Price per Million Tokens
Grok 4.3
$1.25
DeepSeek V3.1
$0.25
Output Price per Million Tokens
Grok 4.3
$2.50
DeepSeek V3.1
$0.95
💡 Cost Ratio: DeepSeek V3.1 is 5.0x cheaper per input token than Grok 4.3.
Want to test both models live?
Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Standardized Scores (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
Grok 4.3 Quirks & Gotchas
- ▸Strong coding performance — competitive with Claude Sonnet at similar price point
- ▸Upgrade to Grok 4.20 for improved reasoning and tool calling
DeepSeek V3.1 Quirks & Gotchas
No developer gotchas reported.
Explore Other Popular Comparisons
Grok 4.3 vs Nano Banana 2 (Gemini 3.1 Flash Image)
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWGrok 4.3 vs GLM 4.7 Flash
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWGrok 4.3 vs GLM 5.2
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWGrok 4.3 vs Nemotron 3 Ultra
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWGrok 4.3 vs GPT-5.2-Codex
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWGrok 4.3 vs Mistral Medium 3.1
Compare context windows, live API token prices, and benchmark scores.